TIMOTHY W BAX MD
NPI 1255303301
Surgery in Spokane, WA
About Timothy W Bax Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY W BAX MD (NPI 1255303301) is an individual surgery provider in Spokane, Washington, licensed in Washington (MD00036060) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp., and is a graduate of Oregon Health Sciences University School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Timothy W Bax Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Timothy Bax reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Spokane, WA 99201
- Reassigned Medicare billing, Washington enrollment
- 46 clinicians in this Medicare group
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 862 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prov Sacred Hrt Med Ctr & Childs Hosp.
Acute Care Hospitals · Spokane, WAProvidence Holy Family Hospital
Acute Care Hospitals · Spokane, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Timothy Bax's NPI number?
The NPI number for Timothy Bax is 1255303301. It was assigned to this individual provider in the NPPES registry on February 3, 2006.
Where is Timothy Bax located?
Timothy Bax practices at 217 W Cataldo Ave Fl 3, Spokane, WA 99201. The listed phone number is (509) 747-6194.
What is Timothy Bax's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Timothy Bax enrolled in Medicare?
Yes. Timothy Bax is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Timothy Bax's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Bax reassigns Medicare benefits to 2 organizations: Columbia Surgical Specialists, Ps (Spokane, WA) and Providence Health & Services Washington (Spokane, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Bax's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Bax accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Timothy Bax as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Timothy Bax affiliated with any hospitals?
According to CMS data, Timothy Bax is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp. and Providence Holy Family Hospital.
When was this NPI record last updated?
The NPPES record for Timothy Bax was last updated on November 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Timothy W Bax, MD · NPI 1255303301
Surgery physician in Spokane, Washington. Individual provider, active in the CMS NPPES registry since February 3, 2006.
## Identity
- **NPI:** 1255303301 (Entity type: Individual)
- **Enumerated:** February 3, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD00036060 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 217 W CATALDO AVE FL 3, Spokane, WA 99201-2217
- **Phone:** (509) 747-6194 · **Fax:** (509) 838-0824
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Columbia Surgical Specialists, Ps (NPI 1417067372, Spokane, WA); Providence Health & Services Washington (NPI 1194099390, Spokane, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** November 28, 2022
- **Other identifiers:** Other 0305781 (WA); Other P0121507 (WA); Medicaid 1005968 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255303301) · Data from the CMS NPPES public registry.